Mortise marking gauge



FIG. 1 is a bottom, front, and right side perspective view of a mortisemarking gauge showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a left side elevational view; and

FIG. 7 is a top plan view thereof.

The ornamental design for a mortise marking gauge, as shown anddescribed.